Finding the Fourth Proportional to 310,363.84, 428,302.56 and 176,227.84
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Solution
The fourth proportional to 310,363.84, 428,302.56 and 176,227.84 is: 243,194.68
Step by Step Solution
- Step 1: Write the proportion equation
310,363.84 : 428,302.56 = 176,227.84 : x - Step 2: Convert to fraction form
310,363.84/428,302.56 = 176,227.84/x - Step 3: Cross multiply
310,363.84x = 428,302.56 × 176,227.84 - Step 4: Simplify right side
310,363.84x = 75,478,835,015.27 - Step 5: Solve for x
x = 75,478,835,015.27/310,363.84 - Step 6: Final answer
x = 243,194.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.